<div class="doc-item" id="doc-2040"><h2 class="doc-item-name">when-let<span class="namespace">(clojure.core)</span></h2><p class="macro">Macro</p><ul class="var-arglists"><li>(<span class="var-name">when-let</span> bindings &amp; body)</li></ul><div class="var-docstring"><p>bindings =&gt; binding-form test</p><p>When test is true, evaluates body with binding-form bound to the value of test</p></div><div class="var-source"><pre>; clojure/core.clj:1104
(defmacro when-let
  [bindings &amp; body]
  (assert-args when-let
     (vector? bindings) &quot;a vector for its binding&quot;
     (= 2 (count bindings)) &quot;exactly 2 forms in binding vector&quot;)
   (let [form (bindings 0) tst (bindings 1)]
    `(let [temp# ~tst]
       (when temp#
         (let [~form temp#]
           ~@body)))))</pre></div><div class="license"><p>Copyright (c) Rich Hickey. All rights reserved.</p><p>The use and distribution terms for this software are covered by the <a href="http://opensource.org/licenses/eclipse-1.0.php">Eclipse Public License 1.0</a>, which can be found in the file
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